S Shamrock Ave, Monrovia, CA Property Records

Los Angeles County property records for 57 addresses on S Shamrock Ave, Monrovia, CA · Last verified October 2026

S Shamrock Ave Highlights

Properties 57
Median Sale Price $2,400,000
Deeds and Mortgages on File 82
Median Price per Sqft $275
Owner Occupied 28%
Median Annual Tax Bill $9,232
Median Year Built 1952
Median Ownership Tenure 16 years

Properties on S Shamrock Ave

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

109 S Shamrock Ave

3 bd · 2 ba · 1,627 sqft · built 1910 · 0.19 acres

Last Sale Tax Bill Prior Sale Owner Records
$728,000Oct 2019 $10,8972025 Amount on Record Jan 2011 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Sep 2026

113 S Shamrock Ave

3 bd · 1 ba · 1,487 sqft · built 1910 · 0.184 acres

Last Sale Tax Bill Prior Sale Owner Records
$560,000Jun 2008 $9,9962025 Amount on Record Sep 2003 Owner on Record Owner Occupied AssessorUpdated Sep 2026

201 S Shamrock Ave

3 bd · 2 ba · 2,796 sqft · built 1920 · 0.299 acres

Last Sale Tax Bill Prior Sale Owner Records
$395,000Feb 1999 $8,5902025 —Dec 2025 2 Owners on Record Owner Occupied Assessor + 8 DocumentsUpdated Sep 2026

207 S Shamrock Ave

9 bd · 9 ba · 5,344 sqft · built 1986 · 0.299 acres

Last Sale Tax Bill Prior Sale Owner Records
$12,6102025 2 Owners on Record AssessorUpdated Oct 2026

215 S Shamrock Ave

3 bd · 1 ba · 1,578 sqft · built 1910 · 0.199 acres

Last Sale Tax Bill Prior Sale Owner Records
$470,000Mar 2008 $8,5902025 Amount on Record Jan 2008 2 Owners on Record Assessor + 3 DocumentsUpdated Sep 2026

217 S Shamrock Ave

4 bd · 3 ba · 1,953 sqft · built 2004 · 0.054 acres

Last Sale Tax Bill Prior Sale Owner Records
$690,000Dec 2014 $11,2272025 Owner on Record AssessorUpdated Oct 2026

219 S Shamrock Ave

4 bd · 3 ba · 1,756 sqft · built 2004 · 0.064 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2005 $4,6432025 2 Owners on Record AssessorUpdated Sep 2026

223 S Shamrock Ave

4 bd · 3 ba · 2,036 sqft · built 2004 · 0.083 acres

Last Sale Tax Bill Prior Sale Owner Records
$735,000May 2017 $11,5632025 Amount on Record Apr 2005 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Sep 2026

225 S Shamrock Ave

4 bd · 3 ba · 1,756 sqft · built 2004 · 0.058 acres

Last Sale Tax Bill Prior Sale Owner Records
$410,000Dec 2010 $7,3232025 Amount on Record Feb 2010 2 Owners on Record AssessorUpdated Sep 2026

227 S Shamrock Ave

2 bd · 1 ba · 1,044 sqft · built 1925 · 0.199 acres

Last Sale Tax Bill Prior Sale Owner Records
$325,000Oct 2010 $5,9352025 Amount on Record Oct 1994 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

231 S Shamrock Ave

3 bd · 2 ba · 1,405 sqft · built 1924 · 0.199 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,3932025 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

232 S Shamrock Ave

4 bd · 5 ba · 2,314 sqft · built 1946 · 0.168 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000May 1989 $7,4862025 —Jul 2005 2 Owners on Record AssessorUpdated Sep 2026

301 S Shamrock Ave

5 bd · 3 ba · 1,801 sqft · built 1921 · 0.199 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,170,000Dec 2021 $16,8022025 Amount on Record Jul 2018 Owner on Record Assessor + 8 DocumentsUpdated Sep 2026

307 S Shamrock Ave

2 bd · 1 ba · 1,123 sqft · built 1923 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$86,546Dec 1985 $2,7122025 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

311 S Shamrock Ave

2 bd · 1 ba · 1,042 sqft · built 1935 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$495,000May 2008 $8,8622025 Amount on Record Feb 1996 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

315 S Shamrock Ave

5 bd · 2 ba · 2,133 sqft · built 1924 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$192,000Apr 2001 $4,4962025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

317 S Shamrock Ave

5 bd · 2 ba · 2,056 sqft · built 1947 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,7872025 Owner on Record Assessor + 1 DocumentUpdated Oct 2026

333 S Shamrock Ave

3 ba · 7,606 sqft · built 1946 · 0.533 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,0152025 2 Owners on Record AssessorUpdated Sep 2026

401 S Shamrock Ave

2 bd · 1 ba · 1,350 sqft · built 1906 · 0.233 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,1202025 Owner on Record Assessor + 2 DocumentsUpdated Sep 2026

420 S Shamrock Ave

2 bd · 1 ba · 904 sqft · built 1947 · 0.07 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2003 $1,0272025 2 Owners on Record Assessor + 2 DocumentsUpdated Sep 2026

421 S Shamrock Ave

1 bd · 1 ba · 745 sqft · built 1912 · 0.058 acres

Last Sale Tax Bill Prior Sale Owner Records
$88,000Apr 1994 $2,2372025 —Feb 2002 2 Owners on Record Owner Occupied AssessorUpdated Sep 2026

427 S Shamrock Ave

2 bd · 2 ba · 1,118 sqft · built 1912 · 0.147 acres

Last Sale Tax Bill Prior Sale Owner Records
$535,000Jan 2016 $8,7292025 —Jan 2008 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

432 S Shamrock Ave

1 bd · 2 ba · 1,356 sqft · built 1942 · 0.181 acres

Last Sale Tax Bill Prior Sale Owner Records
$690,000Apr 2020 $10,4832025 Amount on Record Jun 1994 2 Owners on Record Assessor + 4 DocumentsUpdated Sep 2026

511 S Shamrock Ave

3 bd · 2 ba · 1,677 sqft · built 2006 · 0.138 acres

Last Sale Tax Bill Prior Sale Owner Records
$304,000Jan 2005 $8,8472025 —Jan 2005 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

519 S Shamrock Ave

3 bd · 2 ba · 1,020 sqft · built 1920 · 0.105 acres

Last Sale Tax Bill Prior Sale Owner Records
$190,000May 2000 $4,3902025 Amount on Record Dec 1993 2 Owners on Record AssessorUpdated Sep 2026

525 S Shamrock Ave

4 bd · 2 ba · 5,238 sqft · built 1924 · 0.262 acres

Last Sale Tax Bill Prior Sale Owner Records
$850,000Jul 2018 $19,8562025 Amount on Record Oct 2007 Owner on Record Assessor + 3 DocumentsUpdated Sep 2026

700 S Shamrock Ave

11 bd · 4 ba · 66,410 sqft · built 1922 · 4.04 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 1995 $10,7772025 Owner on Record AssessorUpdated Sep 2026

713 S Shamrock Ave

5 bd · 3 ba · 1,853 sqft · built 1915 · 0.24 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,2662025 —Apr 2017 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Sep 2026

717 S Shamrock Ave

4 bd · 2 ba · 1,263 sqft · built 1908 · 0.214 acres

Last Sale Tax Bill Prior Sale Owner Records
$460,000Dec 2013 $7,8542025 —Jun 2016 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

721 S Shamrock Ave

5,156 sqft · built 1927 · 0.237 acres

Last Sale Tax Bill Prior Sale Owner Records
$750,000Feb 2020 $11,9012025 Owner on Record Assessor + 1 DocumentUpdated Sep 2026

740 S Shamrock Ave

16,514 sqft · built 1948 · 1.13 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 1995 $2,1972025 2 Owners on Record AssessorUpdated Sep 2026

800 S Shamrock Ave

29,816 sqft · built 2001 · 3.51 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2000 $90,4282025 Owner on Record AssessorUpdated Sep 2026

805 S Shamrock Ave

4,978 sqft · built 1929 · 0.354 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,250,000Nov 2008 $13,9372025 —Jan 2024 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Sep 2026

823 S Shamrock Ave

3 bd · 3 ba · 2,190 sqft · built 1888 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2013 $9,2322025 —Jun 2002 Owner on Record AssessorUpdated Sep 2026

827 S Shamrock Ave

8 bd · 8 ba · 4,600 sqft · built 1964 · 0.316 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2013 $16,3232025 —Dec 2003 2 Owners on Record AssessorUpdated Sep 2026

923 S Shamrock Ave

4 bd · 8 ba · 9,500 sqft · built 1970 · 0.334 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,1112025 Owner on Record AssessorUpdated Sep 2026

925 S Shamrock Ave

6 ba · 18,844 sqft · built 1993 · 0.652 acres

Last Sale Tax Bill Prior Sale Owner Records
$35,000Aug 1977 $3752025 Owner on Record AssessorUpdated Sep 2026

1014 S Shamrock Ave

3,432 sqft · built 1948 · 0.333 acres

Last Sale Tax Bill Prior Sale Owner Records
$237,500Aug 1997 $7,1962025 —Oct 1994 2 Owners on Record AssessorUpdated Sep 2026

1120 S Shamrock Ave

31,993 sqft · built 1961 · 0.807 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,400,000Feb 2023 $69,6542025 Amount on Record Aug 1997 Owner on Record Assessor + 3 DocumentsUpdated Sep 2026

1205 S Shamrock Ave

9,008 sqft · built 1987 · 0.426 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,690,000Nov 2021 $38,9922025 Amount on Record Dec 2004 2 Owners on Record Assessor + 1 DocumentUpdated Sep 2026

1217 S Shamrock Ave

1 bd · 3 ba · 8,688 sqft · built 1988 · 0.425 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,600,000Nov 2021 $37,8372025 Amount on Record Dec 2001 Owner on Record Assessor + 1 DocumentUpdated Sep 2026

1225 S Shamrock Ave

9,858 sqft · built 1962 · 0.458 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,200,000Nov 2013 $21,4132025 —Nov 2013 2 Owners on Record AssessorUpdated Sep 2026

1237 S Shamrock Ave

3,360 sqft · built 1968 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,004Nov 1987 $5,8862025 Owner on Record AssessorUpdated Sep 2026

1241 S Shamrock Ave

3,360 sqft · built 1966 · 0.144 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,004Nov 1987 $5,8872025 Owner on Record Owner Occupied AssessorUpdated Sep 2026

1251 S Shamrock Ave

6,450 sqft · built 1966 · 0.288 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,775,000Mar 2021 $26,3712025 Amount on Record Jul 2019 Owner on Record Assessor + 3 DocumentsUpdated Sep 2026

1301 S Shamrock Ave

6,240 sqft · built 1958 · 0.143 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,590,000Jun 2020 $23,6952025 Amount on Record Feb 2016 Owner on Record Assessor + 4 DocumentsUpdated Sep 2026

1311 S Shamrock Ave

18,700 sqft · built 1958 · 0.426 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,450,000Jul 2019 $3,9742025 Owner on Record Assessor + 3 DocumentsUpdated Oct 2026

1321 S Shamrock Ave

12,986 sqft · built 1957 · 0.31 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,377,500Jan 2008 $18,5122025 —Sep 2012 Owner on Record Assessor + 1 DocumentUpdated Sep 2026

1323 S Shamrock Ave

8,398 sqft · built 1963 · 0.328 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,632,000May 2013 $11,0512025 Amount on Record Jan 2008 Owner on Record Assessor + 1 DocumentUpdated Sep 2026

1400 S Shamrock Ave

73,965 sqft · built 1957 · 4.83 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,750,057Apr 2003 $112,2702025 Owner on Record AssessorUpdated Sep 2026

1401 S Shamrock Ave

7,946 sqft · built 1958 · 0.292 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,3582025 Owner on Record Assessor + 1 DocumentUpdated Sep 2026

1425 S Shamrock Ave

16,974 sqft · built 1967 · 0.675 acres

Last Sale Tax Bill Prior Sale Owner Records
$8,000Dec 1999 $24,2542025 Owner on Record AssessorUpdated Sep 2026

1435 S Shamrock Ave

15,860 sqft · built 1986 · 0.769 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 1978 $22,1352025 Owner on Record AssessorUpdated Sep 2026

1450 S Shamrock Ave

30,810 sqft · built 1988 · 3.89 acres

Last Sale Tax Bill Prior Sale Owner Records
$18,850,000Nov 2021 $278,9782025 Owner on Record Assessor + 6 DocumentsUpdated Oct 2026

1601 S Shamrock Ave

31,359 sqft · built 1952 · 3.02 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2016 $30,2552025 Owner on Record AssessorUpdated Sep 2026

1800 S Shamrock Ave

44,835 sqft · 1.06 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,710,000May 2026 $19,4522025 Owner on Record Assessor + 1 DocumentUpdated Sep 2026

1810 S Shamrock Ave

61,452 sqft · built 1957 · 2.74 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,600,000Dec 2021 $108,6922025 Amount on Record Jul 1998 Owner on Record Assessor + 3 DocumentsUpdated Sep 2026

Property Records in Nearby Streets